Mudanjiang Dongxu Machinery Co., Ltd is a specially appointed supplier to China National Petroleum Corporation and China Petroleum and Chemical Corporation in the drilling tools, production tools and the fittings. Our corporation has passed ISO9001;2000 standard quality system authentication,and been honored with API spec-7-1 certificate by America Petroleum Institute.
Our major products include:drilling tools, fishing tools,mill tools, cementing tools,coring tools and fittings,etc. we have import and export power of goods and technique. Products are exported to Middle east, Europe,American,
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